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Apple iPhone 15 Pro Battery Replacement

Battery Replacement guide for the Apple iPhone 15 Pro

Moderate
~47 min
24 steps

Before you begin

Tools

  • P2 Pentalobe screwdriver
  • Y000 Tri-point screwdriver
  • Suction handle
  • Opening picks
  • Plastic spudger
  • Precision tweezers
  • iOpener heat pad

Parts / materials

  • Replacement iPhone 15 Pro battery
  • Stretch-release battery adhesive strips
  • Back glass perimeter adhesive seal
  • 99% Isopropyl alcohol

Safety

  • Discharge the battery below 25% to minimize the risk of fire or explosion during removal.
  • Wear safety glasses to protect eyes from broken glass splatters.
  • Never puncture or pry hard against a lithium-ion battery with sharp metal tools.

Overview

# Apple iPhone 15 Pro Battery Replacement Repair Guide Action-specific battery replacement walkthrough for the Apple iPhone 15 Pro. About 47 minutes across 24 steps. This DIY guide walks through battery replacement on the Apple iPhone 15 Pro (iPhone series phone). Before you open the device, confirm the exact model number on the Apple settings screen or rear housing so your replacement part matches the iPhone 15 Pro specifically—not a similar iPhone sibling. Most DIY techs finish this Apple iPhone 15 Pro battery replacement in about 47 minutes when parts and tools are ready. Difficulty is rated intermediate for this model. Recommended tools for this Apple iPhone 15 Pro job: P2 Pentalobe screwdriver, Y000 Tri-point screwdriver, Suction handle, Opening picks, Plastic spudger, Precision tweezers, iOpener heat pad. Parts and supplies: Replacement iPhone 15 Pro battery, Stretch-release battery adhesive strips, Back glass perimeter adhesive seal, 99% Isopropyl alcohol. Power the iPhone 15 Pro off completely, remove SIMs/SD cards if present, and work on a clean, well-lit surface with a magnetic mat for screws. If a step feels wrong for your Apple iPhone 15 Pro, stop and compare the connector layout to the photos in this guide. When you prefer a same-day pro repair in Seattle instead, LML Repair can handle battery replacement for this model with tested parts and a workmanship warranty.

Step-by-step

  1. 1

    Power off the iPhone

    1 min

    Press and hold the side button and either volume button, then slide the power slider off.

  2. 2

    Remove bottom pentalobe screws

    2 min

    Use a P2 Pentalobe screwdriver to remove the two 3.8 mm screws next to the USB-C port.

  3. 3

    Heat the bottom edge

    2 min

    Apply a heated iOpener or heat gun to the lower rear edge for two minutes to soften the back glass adhesive.

  4. 4

    Attach a suction handle

    1 min

    Place a suction handle near the bottom edge of the back glass and pull up firmly to create a gap.

  5. 5

    Insert opening pick

    2 min

    Insert an opening pick into the seam under the back glass at the bottom of the device.

  6. 6

    Slice perimeter adhesive

    4 min

    Slide the pick around the edges of the back glass, keeping it shallow on the left side to avoid ribbon cables.

  7. 7

    Open the back glass

    1 min

    Gently swing the back glass open toward the right side like a book.

  8. 8

    Unscrew lower connector bracket

    2 min

    Use a Y000 tri-point driver to remove the screws holding the lower metal cover bracket.

  9. 9

    Remove lower connector bracket

    1 min

    Use tweezers to lift the lower metal cover bracket off the logic board.

  10. 10

    Disconnect back glass cable

    1 min

    Pry the back glass press connector straight up from its socket using a spudger.

  11. 11

    Unscrew battery bracket

    2 min

    Remove the tri-point screws securing the battery cable connector shield.

  12. 12

    Remove battery bracket

    1 min

    Lift away the battery cover bracket with tweezers to reveal the battery press connector.

  13. 13

    Disconnect battery cable

    1 min

    Disconnect the battery flex cable from the logic board to completely remove power.

  14. 14

    Peel battery adhesive pull tabs

    2 min

    Use tweezers to unstick and peel back the black stretch-release adhesive tabs on the battery edges.

  15. 15

    Pull out adhesive strips

    5 min

    Slowly pull each adhesive tab at a flat angle parallel to the phone frame until they release.

  16. 16

    Remove the old battery

    2 min

    Lift the battery out of the enclosure using a plastic spudger if any stubborn adhesive remains.

  17. 17

    Clean enclosure recess

    2 min

    Apply a few drops of isopropyl alcohol and wipe away any remaining adhesive residue from the housing.

  18. 18

    Apply new battery adhesive

    2 min

    Attach fresh stretch-release adhesive strips to the back of the replacement battery.

  19. 19

    Insert new battery

    2 min

    Set the new battery into the enclosure and press down firmly to secure it.

  20. 20

    Reconnect battery cable

    1 min

    Align and press the battery flex connector straight into its motherboard socket until it clicks.

  21. 21

    Reinstall internal brackets

    3 min

    Place the shield plates back over their connectors and thread the Y000 screws back into place.

  22. 22

    Apply back glass gasket adhesive

    3 min

    Lay down a new perimeter adhesive seal along the housing edges before reassembly.

  23. 23

    Reconnect and close back glass

    2 min

    Plug in the back glass cable, swing the back glass into position, and press firmly along all edges.

  24. 24

    Reinstall pentalobe screws

    2 min

    Tighten the two P2 pentalobe screws on either side of the USB-C port.

After your Apple iPhone 15 Pro battery replacement

Power the iPhone 15 Pro back on and test the battery replacement function before you put every screw away. Check touch/display response, charging, cameras, buttons, and wireless as relevant to this repair. If something fails after closing the device, reopen carefully and reseat the connectors for this Apple iPhone 15 Pro job before assuming the part is defective. Keep leftover adhesive and screws labeled in case you need a second pass.

Keep learning

Explore more Apple iPhone 15 Pro repair context in the encyclopedia, or open related DIY guides.

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